... output: 5V, 1000mA 3. built-in battery: 3.7V,2200mAh mobile phone potable power charger:It has unique circuit design, which can ... USB design, inner there is 2200mAh Li-battery.Fashionable design, aluminum shell, good performance components, the products are manufactured by SMT ... output is less than 5V, e.g iPod, iPhone, PAD, mobile phone, digital camera, MP3, Mp4 and so on ...